Service manual
FUEL INJECTION SYSTEM
FI ifl
EAS00904
TROUBLESHOOTING CHART
Engine operation is not normal or the engine trouble warning light is on.
*Engine trouble warning light may not come on even if the engine operation is not normal.
I
I
The engine trouble warning light comes on.
T
Check the fault code number displayed on the Fl
diagnostic
tool.
I
Identify the system with the malfunction. Refer to
“FAIL-SAFE ACTIONS TABLE”.
T
Identify the probable cause of malfunction. Refer
to “Fault code table”.
T
Check and repair the probable cause of malfunc-
tion.
Faultcode No.YES Faultcode
No.
NO
Check and
repair.
Refer to “TROUBLE
SHOOTING DE-
TAILS”.
Monitor the operation
of the sensors and
actuators in the
diag-
nostic
mode.
Refer to
“Diagnostic mode
table”.
Check and
repair.
Refer to “FAIL-SAFE
ACTIONS TABLE”.
Parform ECU reinstatement
action.
Refer to “Rein-
statement method”
in
‘TROUBLESHOOTING DE-
TAILS”.
Turn the main switch to
“OFF”,
turn the main switch
back to
“ON”,
and then check if the fault code num-
ber is still displayed.
The engine trouble warning light does not come on.
I
Check the operation of following sensors and ac-
tuators in the diagnostic mode. Refer to “Diagnos-
tic mode table”.
33:
Ignition coil
39:
Fuel injector
X Fault code number not displayed
Fault code number
displayed
Repairs completed
Erasing the malfunction history:*
The malfunction history is stored even if the main switch is turned OFF.
The malfunction history must be erased in the diagnostic
mode.
Referto “Diagnostic mode table (Diagnostic
code No.62)”.
* Operated when the engine trouble warning light is on.
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